Martin Fischer defeated Sergei Bubka 7-5 7-5 in the Doha qualifying round of 16 on hard.
Fischer M. took it in straight sets.
Martin Fischer beat Sergei Bubka 7-5 7-5. Umpiry, "Martin Fischer vs Sergei Bubka — Doha Qualifying Round of 16", https://umpiry.com/match/2010-01-03/bubka-vs-fischer-doha-q16?utm_source=cite (as of 3 January 2010).